• 96 Citations
  • 6 h-Index
20112019
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Research Output 2011 2019

  • 96 Citations
  • 6 h-Index
  • 16 Article
  • 2 Conference article
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Article
2019

Quantum phase transitions in the dimerized extended Bose-Hubbard model

Sugimoto, K., Ejima, S., Lange, F. & Fehske, H., 2019 Jan 28, In : Physical Review A. 99, 1, 012122.

Research output: Contribution to journalArticle

dimerization
insulators
interactions
Ising model
phase diagrams
1 Citation (Scopus)

Spin texture and spin current in excitonic phases of the two-band Hubbard model

Nishida, H., Miyakoshi, S., Kaneko, T., Sugimoto, K. & Ohta, Y., 2019 Jan 10, In : Physical Review B. 99, 3, 035119.

Research output: Contribution to journalArticle

Hubbard model
Crystal symmetry
Band structure
textures
Textures
2018
2 Citations (Scopus)

Excitonic order and superconductivity in the two-orbital hubbard model: Variational cluster approach

Fujiuchi, R., Sugimoto, K. & Ohta, Y., 2018 Jan 1, In : Journal of the Physical Society of Japan. 87, 6, 063705-1.

Research output: Contribution to journalArticle

superconductivity
orbitals
insulators
interactions
occurrences
1 Citation (Scopus)

Ferromagnetic Peierls insulator state in AMg4Mn6 O15 (A= K,Rb,Cs)

Yamaguchi, T., Sugimoto, K., Ohta, Y., Tanaka, Y. & Sato, H., 2018 Apr 5, In : Physical Review B. 97, 16, 161103.

Research output: Contribution to journalArticle

Manganese oxide
Electronic states
Crystal lattices
Ground state
Electronic structure
2 Citations (Scopus)

Large entropy change derived from orbitally assisted three-centered two-electron σ bond formation in metallic Li0.33VS2

Katayama, N., Tamura, S., Yamaguchi, T., Sugimoto, K., Iida, K., Matsukawa, T., Hoshikawa, A., Ishigaki, T., Kobayashi, S., Ohta, Y. & Sawa, H., 2018 Aug 7, In : Physical Review B. 98, 8, 081104.

Research output: Contribution to journalArticle

Entropy
entropy
Electrons
heat storage
Heat storage
1 Citation (Scopus)

Multipole ordering and collective excitations in the excitonic phase of Pr0.5Ca0.5CoO3

Yamaguchi, T., Sugimoto, K. & Ohta, Y., 2018 May 1, In : Physica B: Condensed Matter. 536, p. 37-39 3 p.

Research output: Contribution to journalArticle

multipoles
Doping (additives)
Hubbard model
excitation
Condensation
1 Citation (Scopus)

Nonequilibrium dynamics in the pump-probe spectroscopy of excitonic insulators

Tanabe, T., Sugimoto, K. & Ohta, Y., 2018 Dec 12, In : Physical Review B. 98, 23, 235127.

Research output: Contribution to journalArticle

insulators
Pumps
Spectroscopy
pumps
probes
7 Citations (Scopus)

Strong Coupling Nature of the Excitonic Insulator State in Ta2NiSe5

Sugimoto, K., Nishimoto, S., Kaneko, T. & Ohta, Y., 2018 Jun 14, In : Physical Review Letters. 120, 24, 247602.

Research output: Contribution to journalArticle

insulators
metalloids
excitons
attraction
condensation
2017
12 Citations (Scopus)

Low-energy excitation spectra in the excitonic phase of cobalt oxides

Yamaguchi, T., Sugimoto, K. & Ohta, Y., 2017 Apr 15, In : Journal of the Physical Society of Japan. 86, 4, 043701.

Research output: Contribution to journalArticle

cobalt oxides
excitation
approximation
magnetic permeability
energy
2016
18 Citations (Scopus)

Microscopic quantum interference in excitonic condensation of Ta2NiSe5

Sugimoto, K., Kaneko, T. & Ohta, Y., 2016 Jan 15, In : Physical Review B. 93, 4, 041105.

Research output: Contribution to journalArticle

Condensation
condensation
interference
Spin-lattice relaxation
spin-lattice relaxation
9 Citations (Scopus)

Orbital diamagnetic susceptibility in excitonic condensation phase

Sugimoto, K. & Ohta, Y., 2016 Aug 8, In : Physical Review B. 94, 8, 085111.

Research output: Contribution to journalArticle

Condensation
condensation
magnetic permeability
orbitals
Metalloids
2014
6 Citations (Scopus)

Memory function approach to in-plane anisotropic resistivity in the antiferromagnetic phase of iron arsenide superconductors

Sugimoto, K., Prelovšek, P., Kaneshita, E. & Tohyama, T., 2014 Sep 30, In : Physical Review B - Condensed Matter and Materials Physics. 90, 12, 125157.

Research output: Contribution to journalArticle

Superconducting materials
Anisotropy
Iron
Data storage equipment
iron
2013

Optical conductivity of antiferromagnetic metallic chromium: Mean-field calculation for the multi-orbital Hubbard model

Sugimoto, K., Tohyama, T., Kaneshita, E. & Tsutsui, K., 2013 Aug 1, In : Journal of the Korean Physical Society. 63, 3, p. 632-635 4 p.

Research output: Contribution to journalArticle

chromium
Group 5A compounds
orbitals
conductivity
iron
5 Citations (Scopus)

Spin dynamics and resonant inelastic x-ray scattering in chromium with commensurate spin-density wave order

Sugimoto, K., Li, Z., Kaneshita, E., Tsutsui, K. & Tohyama, T., 2013 Apr 22, In : Physical Review B - Condensed Matter and Materials Physics. 87, 13, 134418.

Research output: Contribution to journalArticle

Spin density waves
Spin dynamics
Spin waves
Chromium
spin dynamics
2011
30 Citations (Scopus)

Origin of in-plane anisotropy in optical conductivity for antiferromagnetic metallic phase of iron pnictides

Sugimoto, K., Kaneshita, E. & Tohyama, T., 2011 Mar 1, In : Journal of the Physical Society of Japan. 80, 3, 033706.

Research output: Contribution to journalArticle

Group 5A compounds
iron
conductivity
anisotropy
alignment

Parameter dependence of optical conductivity in antiferromagnetic phase of iron pnictides

Sugimoto, K., Kaneshita, E. & Tohyama, T., 2011 Nov 1, In : Physica C: Superconductivity and its applications. 471, 21-22, p. 666-669 4 p.

Research output: Contribution to journalArticle

Optical conductivity
Group 5A compounds
Iron
iron
orbitals